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80047462221 = 3326912918537
BaseRepresentation
bin100101010001100110…
…0110101011101001101
321122121122102101221000
41022203030311131031
52302414122242341
6100435010530513
75532436126266
oct1124314653515
9248548371830
1080047462221
1130a47784161
121361b896a39
137718c1207c
143c351b196d
1521377468b6
hex12a333574d

80047462221 has 32 divisors (see below), whose sum is σ = 119135836800. Its totient is φ = 53119186560.

The previous prime is 80047462217. The next prime is 80047462223. The reversal of 80047462221 is 12226474008.

80047462221 is a `hidden beast` number, since 8 + 0 + 0 + 4 + 7 + 4 + 622 + 21 = 666.

It is not a de Polignac number, because 80047462221 - 22 = 80047462217 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80047462223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9372265 + ... + 9380801.

It is an arithmetic number, because the mean of its divisors is an integer number (3722994900).

Almost surely, 280047462221 is an apocalyptic number.

It is an amenable number.

80047462221 is a deficient number, since it is larger than the sum of its proper divisors (39088374579).

80047462221 is a wasteful number, since it uses less digits than its factorization.

80047462221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10106 (or 10100 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 80047462221 in words is "eighty billion, forty-seven million, four hundred sixty-two thousand, two hundred twenty-one".

Divisors: 1 3 9 27 269 807 1291 2421 3873 7263 8537 11619 25611 34857 76833 230499 347279 1041837 2296453 3125511 6889359 9376533 11021267 20668077 33063801 62004231 99191403 297574209 2964720823 8894162469 26682487407 80047462221